Home / 18,280.02-27,421.11-5,799.81

Finding the Fourth Proportional to 18,280.02, 27,421.11 and 5,799.81

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Solution

The fourth proportional to 18,280.02, 27,421.11 and 5,799.81 is: 8,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.02 : 27,421.11 = 5,799.81 : x
  2. Step 2: Convert to fraction form
    18,280.02/27,421.11 = 5,799.81/x
  3. Step 3: Cross multiply
    18,280.02x = 27,421.11 × 5,799.81
  4. Step 4: Simplify right side
    18,280.02x = 159,037,227.99
  5. Step 5: Solve for x
    x = 159,037,227.99/18,280.02
  6. Step 6: Final answer
    x = 8,700.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.